IEC 60695-2-13-2010 Fire hazard testing - Part 2-13 Glowing hot-wire based test methods - Glow-wire ignition temperature (GWIT) test method for materials《着火危险试验.pdf

1、 IEC 60695-2-13Edition 2.0 2010-10INTERNATIONAL STANDARD NORME INTERNATIONALEFire hazard testing Part 2-13: Glowing/hot-wire based test methods Glow-wire ignition temperature (GWIT) test method for materials Essais relatifs aux risques du feu Partie 2-13: Essais au fil incandescent/chauffant Mthode

2、dessai de temprature dallumabilit au fil incandescent (GWIT) pour matriaux IEC60695-2-13:2010 BASIC SAFETY PUBLICATION PUBLICATION FONDAMENTALE DE SCURIT THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2010 IEC, Geneva, Switzerland All rights reserved. Unless otherwise specified, no part of this p

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17、INTERNATIONALEFire hazard testing Part 2-13: Glowing/hot-wire based test methods Glow-wire ignition temperature (GWIT) test method for materials Essais relatifs aux risques du feu Partie 2-13: Essais au fil incandescent/chauffant Mthode dessai de temprature dallumabilit au fil incandescent (GWIT) po

18、ur matriaux INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE MICS 13.220.40; 29.020 PRICE CODECODE PRIXISBN 978-2-88912-216-5BASIC SAFETY PUBLICATION PUBLICATION FONDAMENTALE DE SCURIT Registered trademark of the International Electrotechnical Commission Marque dp

19、ose de la Commission Electrotechnique Internationale 2 60695-2-13 IEC:2010 CONTENTS FOREWORD.3 INTRODUCTION.5 1 Scope.6 2 Normative references6 3 Terms and definitions .7 4 Test specimens 8 4.1 Test specimen preparation.8 4.2 Test specimen dimensions.8 4.3 Testing ranges in formulations .8 4.3.1 Gen

20、eral .8 4.3.2 Density, melt flow, and filler/reinforcement .8 4.3.3 Colour .9 5 Apparatus.9 6 Temperature measuring system verification 9 7 Conditioning and test conditions9 7.1 Conditioning of test specimens 9 7.2 Testing conditions9 8 Test procedure .9 8.1 General .9 8.2 Initial test temperatures

21、9 8.3 Test temperatures .10 9 Observations and measurements10 9.1 General .10 9.2 Initial observations.10 9.3 Test observations 11 10 Evaluation of test results.11 10.1 Test criteria .11 10.2 Glow-wire ignition temperature.11 11 Test report12 Bibliography13 Table 1 Initial test temperatures .10 606

22、95-2-13 IEC:2010 3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ FIRE HAZARD TESTING Part 2-13: Glowing/hot-wire based test methods Glow-wire ignition temperature (GWIT) test method for materials FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardiz

23、ation comprising all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and in addition to other activities, IEC publishes Internat

24、ional Standards, Technical Specifications, Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC Publication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested in the subject dealt with may participate in

25、 this preparatory work. International, governmental and non-governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely with the International Organization for Standardization (ISO) in accordance with conditions determined by agreement between the

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27、the form of recommendations for international use and are accepted by IEC National Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any misint

28、erpretation by any end user. 4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications transparently to the maximum extent possible in their national and regional publications. Any divergence between any IEC Publication and the corresponding nationa

29、l or regional publication shall be clearly indicated in the latter. 5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any services car

30、ried out by independent certification bodies. 6) All users should ensure that they have the latest edition of this publication. 7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and members of its technical committees and IEC National Co

31、mmittees for any personal injury, property damage or other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC Publications. 8) Attention is drawn

32、 to the Normative references cited in this publication. Use of the referenced publications is indispensable for the correct application of this publication. 9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of patent rights. IEC shall not b

33、e held responsible for identifying any or all such patent rights. International Standard IEC 60695-2-13 has been prepared by technical committee 89: Fire hazard testing. This second edition of IEC 60695-2-13 cancels and replaces the first edition published in 2000. It also constitutes a technical re

34、vision. It has the status of a basic safety publication in accordance with IEC Guide 104 and ISO/IEC Guide 51. This standard is to be used in conjunction with IEC 60695-2-10. The main changes with respect to the previous edition are listed below: modified title; addition of an Introduction; clarific

35、ation of Scope; 4 60695-2-13 IEC:2010 expansion of Clause 2: Normative references; expansion of Clause 3; revision of Clause 4 to alignment with the IEC 60695-11 series to introduce guidance on test programs for material variations; clarification of Clause 8: Conditioning (now Clause 7); deletion of

36、 Clause 9: Initial measurement; expansion of Clause 10: Test procedures (now Clause 8); expansion of Clause 11: Observation and measurement (now Clause 9); clarification of Clause 12: Evaluation of test results (now Clause 10); expansion of Clause 13: Test report (now Clause 11). The text of this st

37、andard is based on the following documents: FDIS Report on voting 89/1018/FDIS 89/1035/RVD Full information on the voting for the approval of this standard can be found in the report on voting indicated in the above table. This publication has been drafted in accordance with the ISO/IEC Directives,

38、Part 2. A list of all the parts in the IEC 60695 series, under the general title Fire hazard testing can be found on the IEC web site. Part 2 consists of the following parts: Part 2-10: Glowing/hot-wire based test methods Glow-wire apparatus and common test procedure Part 2-11: Glowing/hot-wire base

39、d test methods Glow-wire flammability test method for end-products Part 2-12: Glowing/hot-wire based test methods Glow-wire flammability index (GWFI) test method for materials Part 2-13: Glowing/hot-wire based test methods Glow-wire ignition temperature (GWIT) test method for materials The committee

40、 has decided that the contents of this publication will remain unchanged until the stability date indicated on the IEC web site under “http:/webstore.iec.ch“ in the data related to the specific publication. At this date, the publication will be reconfirmed, withdrawn, replaced by a revised edition,

41、or amended. 60695-2-13 IEC:2010 5 INTRODUCTION In electrotechnical equipment, overheated metal parts can act as ignition sources. In glow-wire tests an electrically heated wire is used to simulate such an ignition source. IEC 60695-2-10 describes a glow-wire test apparatus and common test procedure,

42、 IEC 60695-2-11 describes a glow-wire flammability test for end products, and IEC 60695-2-12 describes a glow-wire flammability index test method for materials. In the design of any electrotechnical product, the risk of fire and the potential hazards associated with fire need to be considered. In th

43、is respect the objective of component, circuit, and product design, as well as the choice of materials, is to reduce to acceptable levels the potential risks of fire during normal operating conditions, reasonable foreseeable abnormal use, malfunction and/or failure. IEC/TC 89 has developed IEC 60695

44、1-10, together with its companion, IEC 60695-1-11, to provide guidance on how this is to be accomplished. The primary aims of IEC 60695-1-10 and IEC 60695-1-11 are to provide guidance on how: a) to prevent ignition caused by an electrically energized component part, and b) to confine any resulting

45、fire within the bounds of the enclosure of the electrotechnical product in the event of ignition. Secondary aims of IEC 60695-1-10 and IEC 60695-1-11 include the minimization of any flame spread beyond the products enclosure and the minimization of the harmful effects of fire effluents such as heat,

46、 smoke, toxicity and/or corrosivity. Fires involving electrotechnical products can also be initiated from external non-electrical sources. Considerations of this nature should be dealt with in the overall fire risk assessment. This part of IEC 60695 describes a glow-wire ignition temperature test me

47、thod for materials. It should be used to measure, describe, and rank the properties of materials in response to heat caused by contact with an electrically heated wire under controlled laboratory conditions. This may be useful for the evaluation of materials for use in products that may be exposed t

48、o excess thermal stress such as a fault current flowing through a wire, overloading of components, and/or bad connections. It should not be used to solely describe or appraise the fire hazard or fire risk of materials, products, or assemblies under actual fire conditions. However, results of this te

49、st may be used as elements of a fire risk assessment which takes into account all of the factors pertinent to a fire hazard assessment of a particular end use. This International Standard may involve hazardous materials, operations, and equipment. It does not purport to address all of the safety problems associated with its use. It is the responsibility of the user of this standard to